2010/12/17

Host CPU is incompatible...

Ups... i forgot somethign basic: If i power on a Windows 2008 R2 virtual machine within a ESX testing environment i get the following error:

Host CPU is incompatible with the virtual machine's requirements at CPUID level 0x80000001 register 'edx'.
Host bits: 0000:1100:0001:0000:0000:1000:0000:0000
 Required: xx1x:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:xxxx
Mismatch detected for these features:
* Longmode; required when a virtual machine is configured for a 64-bit guest OS. For systems with Intel CPUs, enabling VT in the BIOS is required for longmode support.
 
For incompatibilities other than NX/XD or longmode: if possible, use a cluster with Enhanced vMotion Compatibility (EVC) enabled; see KB article 1003212. In the absence of EVC, see KB article 1993.

The solution is so simple that i forgot it the second time during the last months: Enable "virtualisation technology" and "Execute Disable" within the servers bios. After a reboot you should be able to power on the VM.

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